diff --git a/llvm/lib/DebugInfo/DWARFDebugRangeList.cpp b/llvm/lib/DebugInfo/DWARFDebugRangeList.cpp
index 10f51b4aa09c..8012e306c78d 100644
--- a/llvm/lib/DebugInfo/DWARFDebugRangeList.cpp
+++ b/llvm/lib/DebugInfo/DWARFDebugRangeList.cpp
@@ -49,8 +49,9 @@ bool DWARFDebugRangeList::extract(DataExtractor data, uint32_t *offset_ptr) {
 
 void DWARFDebugRangeList::dump(raw_ostream &OS) const {
   for (int i = 0, n = Entries.size(); i != n; ++i) {
-    const char *format_str = (AddressSize == 4) ? "%08x %08x %08x\n"
-                                                : "%08x %016x %016x\n";
+    const char *format_str = (AddressSize == 4
+                              ? "%08x %08"PRIx64" %08"PRIx64"\n"
+                              : "%08x %016"PRIx64" %016"PRIx64"\n");
     OS << format(format_str, Offset, Entries[i].StartAddress,
                                      Entries[i].EndAddress);
   }